Card switch
There is provided a switch assembly for an electronic card. The switch assembly is mounted within a housing of the card and comprises a switch member adapted to travel axially relative to the housing between a rest position and an actuated position upon application of pressure on the switch member. An actuation member is positioned adjacent the switch member and adjacent an upper face of the housing. Upon exertion of pressure on the upper face, the pressure also applies on the actuation member, thereby displacing the latter. Displacement of the actuation member in turn transfers the pressure to the switch member to move the latter to the actuated position.
1. An electronic card comprising:
a sealed housing having a first surface and a second surface opposite the first surface;
a switch member mounted within the housing adjacent the first surface and movable relative to the housing along an axis perpendicular to the first surface between a rest position and an actuated position; and
an actuation member mounted within the housing and movable relative thereto along the axis, the actuation member having a stem, an annular spacer concentric with the stem and spaced therefrom, a rim surrounding the stem, at least one arm extending radially between the annular spacer and the stem, and an actuation surface adjacent the second surface of the housing and a contact surface opposite the actuation surface and adjacent the switch member, the actuation surface comprising an upper surface of the stem and the contact surface comprising a lower surface of the stem;
wherein, upon application of a pressure on the second surface, the pressure is applied on the actuation surface, thereby displacing the actuation member along the axis with the contact surface exerting the pressure on the switch member and moving the switch member from the rest position to the actuated position.
2. The card of claim 1 , wherein the at least one arm is radially deformable for accommodating a displacement of the actuation member along the axis upon application of the pressure.
3. The card of claim 2 , wherein the at least one arm comprises a resilient arcuate member enabling the radial deformation of the at least one arm.
4. The card of claim 1 , wherein the actuation member comprises a plurality of circumferentially interspaced arms.
5. An electronic card comprising:
a sealed housing having a first surface and a second surface opposite the first surface;
a switch member mounted within the housing adjacent the first surface and movable relative to the housing along an axis perpendicular to the first surface between a rest position and an actuated position; and
an actuation member mounted within the housing and movable relative thereto along the axis, the actuation member having an actuation surface adjacent the second surface of the housing and a contact surface opposite the actuation surface and adjacent the switch member;
wherein the housing comprises an adhesive filler between the first surface and the second surface, the adhesive filler filling a spacing around the switch member and the actuation member;
a first sealing layer positioned between the switch member and the contact surface of the actuation member, and a second sealing layer positioned adjacent the actuation surface of the actuation member, thereby sealing the switch member and the actuation member from the adhesive filler; and
wherein, upon application of a pressure on the second surface, the pressure is applied on the actuation surface, thereby displacing the actuation member along the axis with the contact surface exerting the pressure on the switch member and moving the switch member from the rest position to the actuated position.
6. An electronic card comprising:
a sealed housing having a first surface and a second surface opposite the first surface;
a switch member mounted within the housing adjacent the first surface and movable relative to the housing along an axis perpendicular to the first surface between a rest position and an actuated position; and
an actuation member mounted within the housing and movable relative thereto along the axis, the actuation member having an actuation surface adjacent the second surface of the housing and a contact surface opposite the actuation surface and adjacent the switch member;
wherein the housing comprises an adhesive filler between the first surface and the second surface, the adhesive filler filling a spacing around the switch member and the actuation member;
wherein a height of the actuation member is selected for minimizing a thickness of the adhesive filler between the second surface and the actuation surface; and
wherein, upon application of a pressure on the second surface, the pressure is applied on the actuation surface, thereby displacing the actuation member along the axis with the contact surface exerting the pressure on the switch member and moving the switch member from the rest position to the actuated position.
7. A switch assembly for an electronic card comprising a sealed housing having a first surface and a second surface opposite the first surface, the switch assembly comprising:
a switch member mounted within the housing adjacent the first surface and movable relative to the housing along an axis perpendicular to the first surface between a rest position and an actuated position; and
an actuation member mounted within the housing and movable relative thereto along the axis, the actuation member having a stem, an annular spacer concentric with the stem and spaced therefrom, a rim surrounding the stem, at least one arm extending radially between the annular spacer and the stem, an actuation surface adjacent the second surface of the housing and a contact surface opposite the actuation surface and adjacent the switch member, the actuation surface comprising an upper surface of the stem and the contact surface comprising a lower surface of the stem;
wherein, upon application of a pressure on the second surface, the pressure is applied on the actuation surface, thereby displacing the actuation member along the axis with the contact surface exerting the pressure on the switch member and moving the switch member from the rest position to the actuated position.
8. The switch assembly of claim 7 , wherein the at least one arm is radially deformable for accommodating a displacement of the actuation member along the axis upon application of the pressure.
9. The switch assembly of claim 8 , wherein the at least one arm comprises a resilient arcuate member enabling the radial deformation of the at least one arm.
10. The switch assembly of claim 7 , wherein the actuation member comprises a plurality of circumferentially interspaced arms.
11. A switch assembly for an electronic card comprising a sealed housing having a first surface and a second surface opposite the first surface, the switch assembly comprising;
a switch member mounted within the housing adjacent the first surface and movable relative to the housing along an axis perpendicular to the first surface between a rest-position and an actuated position;
an actuation member mounted within the housing and movable relative thereto along the axis, the actuation member having an actuation surface adjacent the second surface of the housing and a contact surface opposite the actuation surface and adjacent the switch member; and
a first sealing layer positioned between the switch member and the contact surface of the actuation member, and a second sealing layer positioned adjacent the actuation surface of the actuation member, thereby sealing the switch member and the actuation member from an adhesive filler provided between the first surface and the second surface;
wherein, upon application of a pressure on the second surface, the pressure is applied on the actuation surface, thereby displacing the actuation member along the axis with the contact surface exerting the pressure on the switch member and moving the switch member from the rest position to the actuated position.